From patchwork Wed Apr 24 03:03:48 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Olivia Wen X-Patchwork-Id: 13641036 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1013FC4345F for ; Wed, 24 Apr 2024 03:14:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type:MIME-Version: References:In-Reply-To:Message-ID:Date:Subject:CC:To:From:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=YVDy5/ZsVM8z4DOMITGRoXpjJasjzOPGDsnn36hyu4g=; b=RXRzn++zNWzWHnOa/gkKgXDm8+ ZuliNH9/kvYyJNAxiXnNE+CIdqm9Z1E324go1NB4xYOgTXtUsCHHI+O2MO+ZYwJU0Hlq3j7q7WMyL 3mjx1OCTmny0m6OVML6dAX4gQ78JlMvTMJ0ku3OhNeFN2kto9lFcg/lNtTZVQB9p+/hbjxI8CqiHR 88u/lojFc/rlxsxuX+PYIPKFTXQ+TGvJbsPu9iq27FFUXm2kfkDSjuQEhjh3zjVN4qrais28I7Loi Tstmn2I9JnMRo5rTgmOWmS5vugaEIWet4RwEVUUnAd4/m5tAOTWuwFAeVjPAbH/aM/H3y9k3EddUs Qg8kwVYw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rzT5W-00000002Kry-29O4; Wed, 24 Apr 2024 03:14:26 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rzT5T-00000002KrR-2ZxB; Wed, 24 Apr 2024 03:14:24 +0000 X-UUID: be586ca601e811ef96d5dfc950b7243d-20240423 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=YVDy5/ZsVM8z4DOMITGRoXpjJasjzOPGDsnn36hyu4g=; b=D933VinzE674GWPK/IWs01BE6LAX3dMgZRG6qLjIgy0UVZwQZzKR+0+AQM0q1d+aj75UWvn5cLjSAHXDUfp6yF5h9vobztapaDVzPZNyxmF7rxUa1ZqH/afrjpwooFLrL7C3fbkpjeHSyUQIn3WlK9AzqfuEMrMhOiUZoLrWwCw=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.38,REQID:4ce3eabd-67e6-4c83-ad56-a2f4db63ab38,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:82c5f88,CLOUDID:17f646fb-ed05-4274-9204-014369d201e8,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0,LES:1, SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0 X-CID-BAS: 0,_,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR X-UUID: be586ca601e811ef96d5dfc950b7243d-20240423 Received: from mtkmbs11n1.mediatek.inc [(172.21.101.185)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 24742829; Tue, 23 Apr 2024 20:14:20 -0700 Received: from mtkmbs13n2.mediatek.inc (172.21.101.108) by mtkmbs10n1.mediatek.inc (172.21.101.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Wed, 24 Apr 2024 11:04:15 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Wed, 24 Apr 2024 11:04:15 +0800 From: Olivia Wen To: Bjorn Andersson , Mathieu Poirier , Rob Herring CC: Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , "Tinghan Shen" , , , , , , , , , , Subject: [PATCH v3 1/4] dt-bindings: remoteproc: mediatek: Support MT8188 dual-core SCP Date: Wed, 24 Apr 2024 11:03:48 +0800 Message-ID: <20240424030351.5294-2-olivia.wen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240424030351.5294-1-olivia.wen@mediatek.com> References: <20240424030351.5294-1-olivia.wen@mediatek.com> MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--0.711500-8.000000 X-TMASE-MatchedRID: eTEFbZ6VJO5jVtAwIy+afmHn2exfZC4LdER46uj876/oFeE5MSxNMeLz NWBegCW2wgn7iDBesS0nRE+fI6etkpar3ceJGClgN1rcfctnT3I4Cy/AjbisqpGJB31mduCgnJw vO47B+KCM47hkifH+EQ6x/CJdSYheO29r+zoVSuuTp+MobLNv/ICE5xpCtDRTUbJFyh4XXyqYo/ TPOlMB4bCh3zE4wqa8DUCRr8oin+k= X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--0.711500-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 51EDF03EB993C1CB263B9901CEAEEBE8EED93A620167DDC423AC0563D5D95B982000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240423_201423_666861_64516BDA X-CRM114-Status: UNSURE ( 9.40 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Under different applications, the MT8188 SCP can be used as single-core or dual-core. Signed-off-by: Olivia Wen Acked-by: Krzysztof Kozlowski Reviewed-by: AngeloGioacchino Del Regno --- Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml b/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml index 507f98f..c5dc3c2 100644 --- a/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml +++ b/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml @@ -19,6 +19,7 @@ properties: - mediatek,mt8183-scp - mediatek,mt8186-scp - mediatek,mt8188-scp + - mediatek,mt8188-scp-dual - mediatek,mt8192-scp - mediatek,mt8195-scp - mediatek,mt8195-scp-dual @@ -194,6 +195,7 @@ allOf: properties: compatible: enum: + - mediatek,mt8188-scp-dual - mediatek,mt8195-scp-dual then: properties: From patchwork Wed Apr 24 03:03:49 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Olivia Wen X-Patchwork-Id: 13641008 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5C4D6C4345F for ; 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Tue, 23 Apr 2024 20:04:18 -0700 Received: from mtkmbs13n2.mediatek.inc (172.21.101.108) by mtkmbs13n2.mediatek.inc (172.21.101.108) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Wed, 24 Apr 2024 11:04:15 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Wed, 24 Apr 2024 11:04:15 +0800 From: Olivia Wen To: Bjorn Andersson , Mathieu Poirier , Rob Herring CC: Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Tinghan Shen , , , , , , , , , , Subject: [PATCH v3 2/4] remoteproc: mediatek: Support MT8188 SCP core 1 Date: Wed, 24 Apr 2024 11:03:49 +0800 Message-ID: <20240424030351.5294-3-olivia.wen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240424030351.5294-1-olivia.wen@mediatek.com> References: <20240424030351.5294-1-olivia.wen@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240423_200425_319134_FF140F2C X-CRM114-Status: GOOD ( 20.52 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org MT8188 SCP has two RISC-V cores which is similar to MT8195 but without L1TCM. We've added MT8188-specific functions to configure L1TCM in multicore setups. Signed-off-by: Olivia Wen Reviewed-by: AngeloGioacchino Del Regno --- drivers/remoteproc/mtk_scp.c | 146 ++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 143 insertions(+), 3 deletions(-) diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c index 6751829..6295148 100644 --- a/drivers/remoteproc/mtk_scp.c +++ b/drivers/remoteproc/mtk_scp.c @@ -471,6 +471,86 @@ static int mt8186_scp_before_load(struct mtk_scp *scp) return 0; } +static int mt8188_scp_l2tcm_on(struct mtk_scp *scp) +{ + struct mtk_scp_of_cluster *scp_cluster = scp->cluster; + + mutex_lock(&scp_cluster->cluster_lock); + + if (scp_cluster->l2tcm_refcnt == 0) { + /* clear SPM interrupt, SCP2SPM_IPC_CLR */ + writel(0xff, scp->cluster->reg_base + MT8192_SCP2SPM_IPC_CLR); + + /* Power on L2TCM */ + scp_sram_power_on(scp->cluster->reg_base + MT8192_L2TCM_SRAM_PD_0, 0); + scp_sram_power_on(scp->cluster->reg_base + MT8192_L2TCM_SRAM_PD_1, 0); + scp_sram_power_on(scp->cluster->reg_base + MT8192_L2TCM_SRAM_PD_2, 0); + scp_sram_power_on(scp->cluster->reg_base + MT8192_L1TCM_SRAM_PDN, 0); + } + + scp_cluster->l2tcm_refcnt += 1; + + mutex_unlock(&scp_cluster->cluster_lock); + + return 0; +} + +static int mt8188_scp_before_load(struct mtk_scp *scp) +{ + writel(1, scp->cluster->reg_base + MT8192_CORE0_SW_RSTN_SET); + + mt8188_scp_l2tcm_on(scp); + + scp_sram_power_on(scp->cluster->reg_base + MT8192_CPU0_SRAM_PD, 0); + + /* enable MPU for all memory regions */ + writel(0xff, scp->cluster->reg_base + MT8192_CORE0_MEM_ATT_PREDEF); + + return 0; +} + +static int mt8188_scp_c1_before_load(struct mtk_scp *scp) +{ + u32 sec_ctrl; + struct mtk_scp *scp_c0; + struct mtk_scp_of_cluster *scp_cluster = scp->cluster; + + scp->data->scp_reset_assert(scp); + + mt8188_scp_l2tcm_on(scp); + + scp_sram_power_on(scp->cluster->reg_base + MT8195_CPU1_SRAM_PD, 0); + + /* enable MPU for all memory regions */ + writel(0xff, scp->cluster->reg_base + MT8195_CORE1_MEM_ATT_PREDEF); + + /* + * The L2TCM_OFFSET_RANGE and L2TCM_OFFSET shift the destination address + * on SRAM when SCP core 1 accesses SRAM. + * + * This configuration solves booting the SCP core 0 and core 1 from + * different SRAM address because core 0 and core 1 both boot from + * the head of SRAM by default. this must be configured before boot SCP core 1. + * + * The value of L2TCM_OFFSET_RANGE is from the viewpoint of SCP core 1. + * When SCP core 1 issues address within the range (L2TCM_OFFSET_RANGE), + * the address will be added with a fixed offset (L2TCM_OFFSET) on the bus. + * The shift action is tranparent to software. + */ + writel(0, scp->cluster->reg_base + MT8195_L2TCM_OFFSET_RANGE_0_LOW); + writel(scp->sram_size, scp->cluster->reg_base + MT8195_L2TCM_OFFSET_RANGE_0_HIGH); + + scp_c0 = list_first_entry(&scp_cluster->mtk_scp_list, struct mtk_scp, elem); + writel(scp->sram_phys - scp_c0->sram_phys, scp->cluster->reg_base + MT8195_L2TCM_OFFSET); + + /* enable SRAM offset when fetching instruction and data */ + sec_ctrl = readl(scp->cluster->reg_base + MT8195_SEC_CTRL); + sec_ctrl |= MT8195_CORE_OFFSET_ENABLE_I | MT8195_CORE_OFFSET_ENABLE_D; + writel(sec_ctrl, scp->cluster->reg_base + MT8195_SEC_CTRL); + + return 0; +} + static int mt8192_scp_before_load(struct mtk_scp *scp) { /* clear SPM interrupt, SCP2SPM_IPC_CLR */ @@ -717,6 +797,47 @@ static void mt8183_scp_stop(struct mtk_scp *scp) writel(0, scp->cluster->reg_base + MT8183_WDT_CFG); } +static void mt8188_scp_l2tcm_off(struct mtk_scp *scp) +{ + struct mtk_scp_of_cluster *scp_cluster = scp->cluster; + + mutex_lock(&scp_cluster->cluster_lock); + + if (scp_cluster->l2tcm_refcnt > 0) + scp_cluster->l2tcm_refcnt -= 1; + + if (scp_cluster->l2tcm_refcnt == 0) { + /* Power off L2TCM */ + scp_sram_power_off(scp->cluster->reg_base + MT8192_L2TCM_SRAM_PD_0, 0); + scp_sram_power_off(scp->cluster->reg_base + MT8192_L2TCM_SRAM_PD_1, 0); + scp_sram_power_off(scp->cluster->reg_base + MT8192_L2TCM_SRAM_PD_2, 0); + scp_sram_power_off(scp->cluster->reg_base + MT8192_L1TCM_SRAM_PDN, 0); + } + + mutex_unlock(&scp_cluster->cluster_lock); +} + +static void mt8188_scp_stop(struct mtk_scp *scp) +{ + mt8188_scp_l2tcm_off(scp); + + scp_sram_power_off(scp->cluster->reg_base + MT8192_CPU0_SRAM_PD, 0); + + /* Disable SCP watchdog */ + writel(0, scp->cluster->reg_base + MT8192_CORE0_WDT_CFG); +} + +static void mt8188_scp_c1_stop(struct mtk_scp *scp) +{ + mt8188_scp_l2tcm_off(scp); + + /* Power off CPU SRAM */ + scp_sram_power_off(scp->cluster->reg_base + MT8195_CPU1_SRAM_PD, 0); + + /* Disable SCP watchdog */ + writel(0, scp->cluster->reg_base + MT8195_CORE1_WDT_CFG); +} + static void mt8192_scp_stop(struct mtk_scp *scp) { /* Disable SRAM clock */ @@ -1264,16 +1385,28 @@ static const struct mtk_scp_of_data mt8186_of_data = { static const struct mtk_scp_of_data mt8188_of_data = { .scp_clk_get = mt8195_scp_clk_get, - .scp_before_load = mt8192_scp_before_load, - .scp_irq_handler = mt8192_scp_irq_handler, + .scp_before_load = mt8188_scp_before_load, + .scp_irq_handler = mt8195_scp_irq_handler, .scp_reset_assert = mt8192_scp_reset_assert, .scp_reset_deassert = mt8192_scp_reset_deassert, - .scp_stop = mt8192_scp_stop, + .scp_stop = mt8188_scp_stop, .scp_da_to_va = mt8192_scp_da_to_va, .host_to_scp_reg = MT8192_GIPC_IN_SET, .host_to_scp_int_bit = MT8192_HOST_IPC_INT_BIT, }; +static const struct mtk_scp_of_data mt8188_of_data_c1 = { + .scp_clk_get = mt8195_scp_clk_get, + .scp_before_load = mt8188_scp_c1_before_load, + .scp_irq_handler = mt8195_scp_c1_irq_handler, + .scp_reset_assert = mt8195_scp_c1_reset_assert, + .scp_reset_deassert = mt8195_scp_c1_reset_deassert, + .scp_stop = mt8188_scp_c1_stop, + .scp_da_to_va = mt8192_scp_da_to_va, + .host_to_scp_reg = MT8192_GIPC_IN_SET, + .host_to_scp_int_bit = MT8195_CORE1_HOST_IPC_INT_BIT, +}; + static const struct mtk_scp_of_data mt8192_of_data = { .scp_clk_get = mt8192_scp_clk_get, .scp_before_load = mt8192_scp_before_load, @@ -1310,6 +1443,12 @@ static const struct mtk_scp_of_data mt8195_of_data_c1 = { .host_to_scp_int_bit = MT8195_CORE1_HOST_IPC_INT_BIT, }; +static const struct mtk_scp_of_data *mt8188_of_data_cores[] = { + &mt8188_of_data, + &mt8188_of_data_c1, + NULL +}; + static const struct mtk_scp_of_data *mt8195_of_data_cores[] = { &mt8195_of_data, &mt8195_of_data_c1, @@ -1320,6 +1459,7 @@ static const struct of_device_id mtk_scp_of_match[] = { { .compatible = "mediatek,mt8183-scp", .data = &mt8183_of_data }, { .compatible = "mediatek,mt8186-scp", .data = &mt8186_of_data }, { .compatible = "mediatek,mt8188-scp", .data = &mt8188_of_data }, + { .compatible = "mediatek,mt8188-scp-dual", .data = &mt8188_of_data_cores }, { .compatible = "mediatek,mt8192-scp", .data = &mt8192_of_data }, { .compatible = "mediatek,mt8195-scp", .data = &mt8195_of_data }, { .compatible = "mediatek,mt8195-scp-dual", .data = &mt8195_of_data_cores }, From patchwork Wed Apr 24 03:03:50 2024 Content-Type: text/plain; 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Wed, 24 Apr 2024 11:04:15 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Wed, 24 Apr 2024 11:04:15 +0800 From: Olivia Wen To: Bjorn Andersson , Mathieu Poirier , Rob Herring CC: Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , "Tinghan Shen" , , , , , , , , , , Subject: [PATCH v3 3/4] remoteproc: mediatek: Support setting DRAM and IPI shared buffer sizes Date: Wed, 24 Apr 2024 11:03:50 +0800 Message-ID: <20240424030351.5294-4-olivia.wen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240424030351.5294-1-olivia.wen@mediatek.com> References: <20240424030351.5294-1-olivia.wen@mediatek.com> MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--10.879500-8.000000 X-TMASE-MatchedRID: IW9ef45PAny0PK/eA06etx+WEMjoO9WWI9yVcHNDU7a5ZjHyzYrpGpW3 ZGXw3kr5/2rnqB0vAn9Uhaw9JJTz5KK176S49UNHlyI0nNqpRfV2+spiatOx+MOtrkhuZC9WsD3 kIq1/2diTFmqgSxbocPzW2RHkdJ7R6Rtr/Su6qrjk7k9yXJiqqgrefVId6fzVUUVrdcYJZJ0JSK yYs8AD/Xq293tYU7oR1W4+xl3445om4SY1UdFN+Utzk37SzX4NNpy6NoTePCGbKItl61J/yZ+in TK0bC9eKrauXd3MZDWUxh29qbXq99W1dy5/UE7TqD9cIqNKRTDoWnHPUOsouj9RVzG7Y29R X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--10.879500-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 11432BC0EFFE2A97E56B35C0983C879584DDAB4D71967AF94F88919975A4E5792000:8 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240423_200429_260035_CBF9DEA4 X-CRM114-Status: GOOD ( 21.87 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org The SCP on different chips will require different DRAM sizes and IPI shared buffer sizes based on varying requirements. Signed-off-by: Olivia Wen Reviewed-by: AngeloGioacchino Del Regno --- drivers/remoteproc/mtk_common.h | 11 ++++-- drivers/remoteproc/mtk_scp.c | 84 +++++++++++++++++++++++++++++++--------- drivers/remoteproc/mtk_scp_ipi.c | 7 +++- 3 files changed, 79 insertions(+), 23 deletions(-) diff --git a/drivers/remoteproc/mtk_common.h b/drivers/remoteproc/mtk_common.h index 6d7736a..fd5c539 100644 --- a/drivers/remoteproc/mtk_common.h +++ b/drivers/remoteproc/mtk_common.h @@ -78,7 +78,6 @@ #define MT8195_L2TCM_OFFSET 0x850d0 #define SCP_FW_VER_LEN 32 -#define SCP_SHARE_BUFFER_SIZE 288 struct scp_run { u32 signaled; @@ -97,6 +96,11 @@ struct scp_ipi_desc { struct mtk_scp; +struct mtk_scp_sizes_data { + size_t max_dram_size; + size_t ipi_share_buffer_size; +}; + struct mtk_scp_of_data { int (*scp_clk_get)(struct mtk_scp *scp); int (*scp_before_load)(struct mtk_scp *scp); @@ -110,6 +114,7 @@ struct mtk_scp_of_data { u32 host_to_scp_int_bit; size_t ipi_buf_offset; + const struct mtk_scp_sizes_data *scp_sizes; }; struct mtk_scp_of_cluster { @@ -141,10 +146,10 @@ struct mtk_scp { struct scp_ipi_desc ipi_desc[SCP_IPI_MAX]; bool ipi_id_ack[SCP_IPI_MAX]; wait_queue_head_t ack_wq; + u8 *share_buf; void *cpu_addr; dma_addr_t dma_addr; - size_t dram_size; struct rproc_subdev *rpmsg_subdev; @@ -162,7 +167,7 @@ struct mtk_scp { struct mtk_share_obj { u32 id; u32 len; - u8 share_buf[SCP_SHARE_BUFFER_SIZE]; + u8 *share_buf; }; void scp_memcpy_aligned(void __iomem *dst, const void *src, unsigned int len); diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c index 6295148..e281d28 100644 --- a/drivers/remoteproc/mtk_scp.c +++ b/drivers/remoteproc/mtk_scp.c @@ -20,7 +20,6 @@ #include "mtk_common.h" #include "remoteproc_internal.h" -#define MAX_CODE_SIZE 0x500000 #define SECTION_NAME_IPI_BUFFER ".ipi_buffer" /** @@ -94,14 +93,15 @@ static void scp_ipi_handler(struct mtk_scp *scp) { struct mtk_share_obj __iomem *rcv_obj = scp->recv_buf; struct scp_ipi_desc *ipi_desc = scp->ipi_desc; - u8 tmp_data[SCP_SHARE_BUFFER_SIZE]; scp_ipi_handler_t handler; u32 id = readl(&rcv_obj->id); u32 len = readl(&rcv_obj->len); + const struct mtk_scp_sizes_data *scp_sizes; - if (len > SCP_SHARE_BUFFER_SIZE) { - dev_err(scp->dev, "ipi message too long (len %d, max %d)", len, - SCP_SHARE_BUFFER_SIZE); + scp_sizes = scp->data->scp_sizes; + if (len > scp_sizes->ipi_share_buffer_size) { + dev_err(scp->dev, "ipi message too long (len %d, max %zd)", len, + scp_sizes->ipi_share_buffer_size); return; } if (id >= SCP_IPI_MAX) { @@ -117,8 +117,9 @@ static void scp_ipi_handler(struct mtk_scp *scp) return; } - memcpy_fromio(tmp_data, &rcv_obj->share_buf, len); - handler(tmp_data, len, ipi_desc[id].priv); + memset(scp->share_buf, 0, scp_sizes->ipi_share_buffer_size); + memcpy_fromio(scp->share_buf, &rcv_obj->share_buf, len); + handler(scp->share_buf, len, ipi_desc[id].priv); scp_ipi_unlock(scp, id); scp->ipi_id_ack[id] = true; @@ -133,6 +134,8 @@ static int scp_ipi_init(struct mtk_scp *scp, const struct firmware *fw) { int ret; size_t buf_sz, offset; + size_t share_buf_offset; + const struct mtk_scp_sizes_data *scp_sizes; /* read the ipi buf addr from FW itself first */ ret = scp_elf_read_ipi_buf_addr(scp, fw, &offset); @@ -152,12 +155,15 @@ static int scp_ipi_init(struct mtk_scp *scp, const struct firmware *fw) return -EOVERFLOW; } + scp_sizes = scp->data->scp_sizes; scp->recv_buf = (struct mtk_share_obj __iomem *) (scp->sram_base + offset); + share_buf_offset = sizeof(scp->recv_buf->id) + + sizeof(scp->recv_buf->len) + scp_sizes->ipi_share_buffer_size; scp->send_buf = (struct mtk_share_obj __iomem *) - (scp->sram_base + offset + sizeof(*scp->recv_buf)); - memset_io(scp->recv_buf, 0, sizeof(*scp->recv_buf)); - memset_io(scp->send_buf, 0, sizeof(*scp->send_buf)); + (scp->sram_base + offset + share_buf_offset); + memset_io(scp->recv_buf, 0, share_buf_offset); + memset_io(scp->send_buf, 0, share_buf_offset); return 0; } @@ -741,14 +747,16 @@ static int scp_start(struct rproc *rproc) static void *mt8183_scp_da_to_va(struct mtk_scp *scp, u64 da, size_t len) { int offset; + const struct mtk_scp_sizes_data *scp_sizes; + scp_sizes = scp->data->scp_sizes; if (da < scp->sram_size) { offset = da; if (offset >= 0 && (offset + len) <= scp->sram_size) return (void __force *)scp->sram_base + offset; - } else if (scp->dram_size) { + } else if (scp_sizes->max_dram_size) { offset = da - scp->dma_addr; - if (offset >= 0 && (offset + len) <= scp->dram_size) + if (offset >= 0 && (offset + len) <= scp_sizes->max_dram_size) return scp->cpu_addr + offset; } @@ -758,7 +766,9 @@ static void *mt8183_scp_da_to_va(struct mtk_scp *scp, u64 da, size_t len) static void *mt8192_scp_da_to_va(struct mtk_scp *scp, u64 da, size_t len) { int offset; + const struct mtk_scp_sizes_data *scp_sizes; + scp_sizes = scp->data->scp_sizes; if (da >= scp->sram_phys && (da + len) <= scp->sram_phys + scp->sram_size) { offset = da - scp->sram_phys; @@ -774,9 +784,9 @@ static void *mt8192_scp_da_to_va(struct mtk_scp *scp, u64 da, size_t len) } /* optional memory region */ - if (scp->dram_size && + if (scp_sizes->max_dram_size && da >= scp->dma_addr && - (da + len) <= scp->dma_addr + scp->dram_size) { + (da + len) <= scp->dma_addr + scp_sizes->max_dram_size) { offset = da - scp->dma_addr; return scp->cpu_addr + offset; } @@ -997,6 +1007,7 @@ EXPORT_SYMBOL_GPL(scp_mapping_dm_addr); static int scp_map_memory_region(struct mtk_scp *scp) { int ret; + const struct mtk_scp_sizes_data *scp_sizes; ret = of_reserved_mem_device_init(scp->dev); @@ -1012,8 +1023,8 @@ static int scp_map_memory_region(struct mtk_scp *scp) } /* Reserved SCP code size */ - scp->dram_size = MAX_CODE_SIZE; - scp->cpu_addr = dma_alloc_coherent(scp->dev, scp->dram_size, + scp_sizes = scp->data->scp_sizes; + scp->cpu_addr = dma_alloc_coherent(scp->dev, scp_sizes->max_dram_size, &scp->dma_addr, GFP_KERNEL); if (!scp->cpu_addr) return -ENOMEM; @@ -1023,10 +1034,13 @@ static int scp_map_memory_region(struct mtk_scp *scp) static void scp_unmap_memory_region(struct mtk_scp *scp) { - if (scp->dram_size == 0) + const struct mtk_scp_sizes_data *scp_sizes; + + scp_sizes = scp->data->scp_sizes; + if (scp_sizes->max_dram_size == 0) return; - dma_free_coherent(scp->dev, scp->dram_size, scp->cpu_addr, + dma_free_coherent(scp->dev, scp_sizes->max_dram_size, scp->cpu_addr, scp->dma_addr); of_reserved_mem_device_release(scp->dev); } @@ -1090,6 +1104,7 @@ static struct mtk_scp *scp_rproc_init(struct platform_device *pdev, struct resource *res; const char *fw_name = "scp.img"; int ret, i; + const struct mtk_scp_sizes_data *scp_sizes; ret = rproc_of_parse_firmware(dev, 0, &fw_name); if (ret < 0 && ret != -EINVAL) @@ -1137,6 +1152,13 @@ static struct mtk_scp *scp_rproc_init(struct platform_device *pdev, goto release_dev_mem; } + scp_sizes = scp->data->scp_sizes; + scp->share_buf = kzalloc(scp_sizes->ipi_share_buffer_size, GFP_KERNEL); + if (!scp->share_buf) { + dev_err(dev, "Failed to allocate IPI share buffer\n"); + goto release_dev_mem; + } + init_waitqueue_head(&scp->run.wq); init_waitqueue_head(&scp->ack_wq); @@ -1156,6 +1178,8 @@ static struct mtk_scp *scp_rproc_init(struct platform_device *pdev, remove_subdev: scp_remove_rpmsg_subdev(scp); scp_ipi_unregister(scp, SCP_IPI_INIT); + kfree(scp->share_buf); + scp->share_buf = NULL; release_dev_mem: scp_unmap_memory_region(scp); for (i = 0; i < SCP_IPI_MAX; i++) @@ -1171,6 +1195,8 @@ static void scp_free(struct mtk_scp *scp) scp_remove_rpmsg_subdev(scp); scp_ipi_unregister(scp, SCP_IPI_INIT); + kfree(scp->share_buf); + scp->share_buf = NULL; scp_unmap_memory_region(scp); for (i = 0; i < SCP_IPI_MAX; i++) mutex_destroy(&scp->ipi_desc[i].lock); @@ -1357,6 +1383,21 @@ static void scp_remove(struct platform_device *pdev) mutex_destroy(&scp_cluster->cluster_lock); } +static const struct mtk_scp_sizes_data default_scp_sizes = { + .max_dram_size = 0x500000, + .ipi_share_buffer_size = 288, +}; + +static const struct mtk_scp_sizes_data mt8188_scp_sizes = { + .max_dram_size = 0x500000, + .ipi_share_buffer_size = 600, +}; + +static const struct mtk_scp_sizes_data mt8188_scp_c1_sizes = { + .max_dram_size = 0xA00000, + .ipi_share_buffer_size = 600, +}; + static const struct mtk_scp_of_data mt8183_of_data = { .scp_clk_get = mt8183_scp_clk_get, .scp_before_load = mt8183_scp_before_load, @@ -1368,6 +1409,7 @@ static const struct mtk_scp_of_data mt8183_of_data = { .host_to_scp_reg = MT8183_HOST_TO_SCP, .host_to_scp_int_bit = MT8183_HOST_IPC_INT_BIT, .ipi_buf_offset = 0x7bdb0, + .scp_sizes = &default_scp_sizes, }; static const struct mtk_scp_of_data mt8186_of_data = { @@ -1381,6 +1423,7 @@ static const struct mtk_scp_of_data mt8186_of_data = { .host_to_scp_reg = MT8183_HOST_TO_SCP, .host_to_scp_int_bit = MT8183_HOST_IPC_INT_BIT, .ipi_buf_offset = 0x3bdb0, + .scp_sizes = &default_scp_sizes, }; static const struct mtk_scp_of_data mt8188_of_data = { @@ -1393,6 +1436,7 @@ static const struct mtk_scp_of_data mt8188_of_data = { .scp_da_to_va = mt8192_scp_da_to_va, .host_to_scp_reg = MT8192_GIPC_IN_SET, .host_to_scp_int_bit = MT8192_HOST_IPC_INT_BIT, + .scp_sizes = &mt8188_scp_sizes, }; static const struct mtk_scp_of_data mt8188_of_data_c1 = { @@ -1405,6 +1449,7 @@ static const struct mtk_scp_of_data mt8188_of_data_c1 = { .scp_da_to_va = mt8192_scp_da_to_va, .host_to_scp_reg = MT8192_GIPC_IN_SET, .host_to_scp_int_bit = MT8195_CORE1_HOST_IPC_INT_BIT, + .scp_sizes = &mt8188_scp_c1_sizes, }; static const struct mtk_scp_of_data mt8192_of_data = { @@ -1417,6 +1462,7 @@ static const struct mtk_scp_of_data mt8192_of_data = { .scp_da_to_va = mt8192_scp_da_to_va, .host_to_scp_reg = MT8192_GIPC_IN_SET, .host_to_scp_int_bit = MT8192_HOST_IPC_INT_BIT, + .scp_sizes = &default_scp_sizes, }; static const struct mtk_scp_of_data mt8195_of_data = { @@ -1429,6 +1475,7 @@ static const struct mtk_scp_of_data mt8195_of_data = { .scp_da_to_va = mt8192_scp_da_to_va, .host_to_scp_reg = MT8192_GIPC_IN_SET, .host_to_scp_int_bit = MT8192_HOST_IPC_INT_BIT, + .scp_sizes = &default_scp_sizes, }; static const struct mtk_scp_of_data mt8195_of_data_c1 = { @@ -1441,6 +1488,7 @@ static const struct mtk_scp_of_data mt8195_of_data_c1 = { .scp_da_to_va = mt8192_scp_da_to_va, .host_to_scp_reg = MT8192_GIPC_IN_SET, .host_to_scp_int_bit = MT8195_CORE1_HOST_IPC_INT_BIT, + .scp_sizes = &default_scp_sizes, }; static const struct mtk_scp_of_data *mt8188_of_data_cores[] = { diff --git a/drivers/remoteproc/mtk_scp_ipi.c b/drivers/remoteproc/mtk_scp_ipi.c index cd0b601..c068227 100644 --- a/drivers/remoteproc/mtk_scp_ipi.c +++ b/drivers/remoteproc/mtk_scp_ipi.c @@ -162,10 +162,13 @@ int scp_ipi_send(struct mtk_scp *scp, u32 id, void *buf, unsigned int len, struct mtk_share_obj __iomem *send_obj = scp->send_buf; u32 val; int ret; + const struct mtk_scp_sizes_data *scp_sizes; + + scp_sizes = scp->data->scp_sizes; if (WARN_ON(id <= SCP_IPI_INIT) || WARN_ON(id >= SCP_IPI_MAX) || WARN_ON(id == SCP_IPI_NS_SERVICE) || - WARN_ON(len > sizeof(send_obj->share_buf)) || WARN_ON(!buf)) + WARN_ON(len > scp_sizes->ipi_share_buffer_size) || WARN_ON(!buf)) return -EINVAL; ret = clk_prepare_enable(scp->clk); @@ -184,7 +187,7 @@ int scp_ipi_send(struct mtk_scp *scp, u32 id, void *buf, unsigned int len, goto unlock_mutex; } - scp_memcpy_aligned(send_obj->share_buf, buf, len); + scp_memcpy_aligned(&send_obj->share_buf, buf, len); writel(len, &send_obj->len); writel(id, &send_obj->id); From patchwork Wed Apr 24 03:03:51 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Olivia Wen X-Patchwork-Id: 13641011 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B375CC04FFE for ; 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Tue, 23 Apr 2024 20:04:53 -0700 Received: from mtkmbs13n2.mediatek.inc (172.21.101.108) by MTKMBS09N1.mediatek.inc (172.21.101.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Wed, 24 Apr 2024 11:04:16 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Wed, 24 Apr 2024 11:04:16 +0800 From: Olivia Wen To: Bjorn Andersson , Mathieu Poirier , Rob Herring CC: Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Tinghan Shen , , , , , , , , , , Subject: [PATCH v3 4/4] media: mediatek: imgsys: Support image processing Date: Wed, 24 Apr 2024 11:03:51 +0800 Message-ID: <20240424030351.5294-5-olivia.wen@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240424030351.5294-1-olivia.wen@mediatek.com> References: <20240424030351.5294-1-olivia.wen@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240423_200456_102562_6DA7C346 X-CRM114-Status: UNSURE ( 9.91 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Integrate the imgsys core architecture driver for image processing on the MT8188 platform. Signed-off-by: Olivia Wen Reviewed-by: AngeloGioacchino Del Regno --- include/linux/remoteproc/mtk_scp.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/remoteproc/mtk_scp.h b/include/linux/remoteproc/mtk_scp.h index 7c2b7cc9..344ff41 100644 --- a/include/linux/remoteproc/mtk_scp.h +++ b/include/linux/remoteproc/mtk_scp.h @@ -43,6 +43,7 @@ enum scp_ipi_id { SCP_IPI_CROS_HOST_CMD, SCP_IPI_VDEC_LAT, SCP_IPI_VDEC_CORE, + SCP_IPI_IMGSYS_CMD, SCP_IPI_NS_SERVICE = 0xFF, SCP_IPI_MAX = 0x100, };